PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1819338Dampener,fluid Pressure

Naval Sea Systems Command · NSN 6685-00-324-1667 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-324-1667 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-324-1667. Primary manufacturer part number: 1819338.
Features
  • Dampener,fluid Pressure — FSC 6685
  • Fluid Type for Which Designed: AIR AND 0IL AND STEAM AND WATER
  • Screw Thread Series Designator: NPT
  • Threaded Direct Pressure Connection: PROVIDED
  • Material: STEEL CORROSION RESISTING
  • Thread Location: INTERNAL AND EXTERNAL
  • Thread Size: 1/4-18
  • Gage End Connection Type: FEMALE
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Dampener,fluid Pressure, cataloged under National Stock Number 6685-00-324-1667, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-324-1667
Primary Part Number1819338
Item NameDampener,fluid Pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Fluid Type for Which DesignedAIR AND 0IL AND STEAM AND WATER
Screw Thread Series DesignatorNPT
Threaded Direct Pressure ConnectionPROVIDED
MaterialSTEEL CORROSION RESISTING
Thread LocationINTERNAL AND EXTERNAL
Thread Size1/4-18
Gage End Connection TypeFEMALE
Removable PistonPROVIDED
Operating Pressure Range+0.0 TO 5000.0 POUNDS PER SQUARE INCH LBS
Tube Connection TypeFLARELESS
Nominal Pipe Size Designation0.250 INCHES IN
Connection Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5330-00-247-42501106B INTERCHANGEABLE
Gasket
Thompson Tank, Inc.
6685-00-293-6618712843 INTERCHANGEABLE
Dampener,fluid Pressure
Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.
2530-00-696-2974 INTERCHANGEABLE
Rim,wheel,pneumatic Tire
1560-01-467-9844 INTERCHANGEABLE
Foam Segment,explosion Suppressa
5340-01-685-3754N348-953 INTERCHANGEABLE
Bracket,mounting
National Mfg Co Dba National Mfg Sales Co
1560-01-687-9663 INTERCHANGEABLE
Foam Segment,explosion Suppressa
Cross-Reference Index
Part NumberManufacturer
1106SW1-8INNPT Ashcroft Inc Dba Heise (USA)
266-001-001 Raytheon Company (USA)
1-4BRASSMICR0BEAN Campbell J a Co (USA)
7200403P1 Lockheed Martin Corporation Div Rms (USA)
1819338 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1819338 PRIMARY Naval Sea Systems Command (USA)
7200403P1 General Electric Company (USA)
AC550 Kunkle Industries Inc Lonergan Valve Div (USA)
2256141 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1106B Ashcroft Inc Dba Heise (USA)
402B1-4 Campbell J a Co (USA)
402B1-4 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
25-1106S Ashcroft Inc Dba Heise (USA)
1-4-1106S Ashcroft Inc Dba Heise (USA)
1-4 1106S Ashcroft Inc Dba Heise (USA)
1-4 1106B Ashcroft Inc Dba Heise (USA)
MICR0BEAN Campbell J a Co (USA)
1-4 110B Ashcroft Inc Dba Heise (USA)
Related Parts
5330-00-247-4250INTERCHANGEABLE
GASKET
1106B
6685-00-293-6618INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
712843
2530-00-696-2974INTERCHANGEABLE
RIM,WHEEL,PNEUMATIC TIRE
1560-01-467-9844INTERCHANGEABLE
FOAM SEGMENT,EXPLOSION SUPPRESSA
5340-01-685-3754INTERCHANGEABLE
BRACKET,MOUNTING
N348-953
1560-01-687-9663INTERCHANGEABLE
FOAM SEGMENT,EXPLOSION SUPPRESSA

Frequently Asked Questions

What is NSN 6685-00-324-1667?

NSN 6685-00-324-1667 is a Dampener,fluid Pressure, manufactured by Naval Sea Systems Command, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-324-1667?

NSN 6685-00-324-1667 has 18 cross-referenced part numbers: 1106SW1-8INNPT (Ashcroft Inc Dba Heise), 266-001-001 (Raytheon Company), 1-4BRASSMICR0BEAN (Campbell J a Co), 7200403P1 (Lockheed Martin Corporation Div Rms), 1819338 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 13 more.

What NSN replaces 6685-00-324-1667?

There are 6 known substitutes for 6685-00-324-1667: 5330-00-247-4250, 6685-00-293-6618, 2530-00-696-2974 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1819338?

Key specifications for 1819338: Fluid Type for Which Designed: AIR AND 0IL AND STEAM AND WATER; Screw Thread Series Designator: NPT; Threaded Direct Pressure Connection: PROVIDED; Material: STEEL CORROSION RESISTING. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-324-1667 still in active supply?

NSN 6685-00-324-1667 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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